//===========================================================================================================================
// Cuberry - http://www.cuberry.net
// Copyright (c) 2012
// by Peacequare® - Amir Moussa
//===========================================================================================================================
// This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License 
// as published by the Free Software Foundation, either version 3 of the License, or any later version.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// This program is distributed in the hope that it will be useful.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//===========================================================================================================================

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using Microsoft.Practices.Prism.Commands;
using P2.Cuberry.Framework.Helper;


namespace P2.Cuberry.Modules.Clinicom.BedList
{
    public class BedListsDetailsPresentationModel : INotifyPropertyChanged, IDisposable, IDataErrorInfo
    {

        public BedListsDetailsPresentationModel(IBedListsDetailsView view, BusinessEntities.BedList model, Services.IBedListService service)
        {
            try
            {
                View = view;
                this.Model = model;
                this.Service = service;

                //DDL++

                ControlRights = Model.GetControls(Properties.Settings.Default.ModuleName, "BedListsDetailsView");
                MessageStack = new P2MessageStack();
                View.Model = this;

                this.BedListSaveCommand = new DelegateCommand<object>(OnBedListSaveExecute, OnBedListSaveCanExecute);
                this.BedListCloseCommand = new DelegateCommand<object>(OnBedListCloseExecute, OnBedListCloseCanExecute);

                this.InfoCommand = new DelegateCommand<object>(OnInfoExecute, OnInfoCanExecute);
                this.HistoryCommand = new DelegateCommand<object>(OnHistoryExecute, OnHistoryCanExecute);

                this.RefreshView();
            }
            catch (Exception ex) //AM:TC
            {
                P2ExceptionHandler.LogException(ex, string.Format("{0}.{1}", this.GetType().Name, System.Reflection.MethodInfo.GetCurrentMethod().Name));
            }
        }


        #region Members

        public int BedID
        {
            get { return Model.BedID; }
        }

        //Add++

        public string BedNr
        {
            get { return Model.BedNr; }
        }

        public string Room //check if nullable? 
        {
            get { return Model.Room; }
            set
            {
                if (value != Model.Room)
                {
                    Model.Room = value;
                    OnPropertyChanged("Room");
                }
            }
        }

        public string Status //check if nullable? 
        {
            get { return Model.Status; }
            set
            {
                if (value != Model.Status)
                {
                    Model.Status = value;
                    OnPropertyChanged("Status");
                }
            }
        }

        public string Category //check if nullable? 
        {
            get { return Model.Category; }
            set
            {
                if (value != Model.Category)
                {
                    Model.Category = value;
                    OnPropertyChanged("Category");
                }
            }
        }

        public int? AccountNr //check if nullable? 
        {
            get { return Model.AccountNr; }
            set
            {
                if (value != Model.AccountNr)
                {
                    Model.AccountNr = value;
                    OnPropertyChanged("AccountNr");
                }
            }
        }

        public bool Companion //check if nullable? 
        {
            get { return Model.Companion; }
            set
            {
                if (value != Model.Companion)
                {
                    Model.Companion = value;
                    OnPropertyChanged("Companion");
                }
            }
        }

        public int? StockNr //check if nullable? 
        {
            get { return Model.StockNr; }
            set
            {
                if (value != Model.StockNr)
                {
                    Model.StockNr = value;
                    OnPropertyChanged("StockNr");
                }
            }
        }

        public int? Floor //check if nullable? 
        {
            get { return Model.Floor; }
            set
            {
                if (value != Model.Floor)
                {
                    Model.Floor = value;
                    OnPropertyChanged("Floor");
                }
            }
        }



        //DDL++



        #endregion


        #region Computed Members

        public string StatusName
        {
            get { return Model.CurrentStatus.StatusNameCur; }
        }

        public bool ModelIsModified
        {
            get
            {
                return Model.Modified;
            }
        }

        public bool IsReadOnly
        {
            get
            {
                P2.Cuberry.Framework.Security.User.ControlRight controlRight;
                if (ControlRights.TryGetValue("BedListSaveBtn", out controlRight))
                    return !controlRight.IsActive;
                else
                    return true;
            }
        }

        public bool IsEditable
        {
            get
            {
                return !IsReadOnly;
            }
        }

        #endregion


        #region Reference Tables

        //DDL++




        //public List<P2.Cuberry.Framework.Helper.Workflows.WorkflowStatus> WorkflowStatusses { get; set; }

        #endregion


        #region Commands

        public DelegateCommand<object> BedListSaveCommand { get; set; }
        public DelegateCommand<object> BedListCloseCommand { get; set; }
        public DelegateCommand<object> BedListPrintCommand { get; set; }

        public DelegateCommand<object> InfoCommand { get; set; }
        public DelegateCommand<object> HistoryCommand { get; set; }

        void OnBedListSaveExecute(object sourceAccount)
        {
            View.UpdateFocusedControl();
            this.Save();
            this.RefreshView();
            return;
        }

        bool OnBedListSaveCanExecute(object sourceAccount)
        {
            P2.Cuberry.Framework.Security.User.ControlRight controlRight;
            if (ControlRights.TryGetValue("BedListSaveBtn", out controlRight))
                return controlRight.IsActive;
            else
                return false;
        }

        void OnBedListCloseExecute(object sourceAccount)
        {
            View.UpdateFocusedControl();
            if (this.Save())
            {
                View.Close();
            }
        }

        bool OnBedListCloseCanExecute(object sourceAccount)
        {
            P2.Cuberry.Framework.Security.User.ControlRight controlRight;
            if (ControlRights.TryGetValue("BedListSaveBtn", out controlRight))
                return controlRight.IsActive;
            else
                return false;
        }


        void OnInfoExecute(object sourceItem)
        {
            Model.GetObjectInfo();
            return;
        }

        bool OnHistoryCanExecute(object sourceItem)
        {
            return true;
        }


        void OnHistoryExecute(object sourceItem)
        {
            Model.GetObjectHistory("BedList", "BedList", this.Model.BedID);
            return;
        }

        bool OnInfoCanExecute(object sourceItem)
        {
            return true;
        }
        //Add++
        public void RefreshView()
        {
            try
            {
                ControlRights = Model.GetControls(Properties.Settings.Default.ModuleName, "BedListsDetailsView");
                OnPropertyChanged("BedNr");

                OnPropertyChanged("Room");
                OnPropertyChanged("Status");
                OnPropertyChanged("Category");
                OnPropertyChanged("AccountNr");
                OnPropertyChanged("Companion");
                OnPropertyChanged("StockNr");
                OnPropertyChanged("Floor");

                //Standard Fields
                OnPropertyChanged("StatusName");

                this.BedListCloseCommand.RaiseCanExecuteChanged();
                this.BedListSaveCommand.RaiseCanExecuteChanged();
            }
            catch (System.Exception ex) //AM:TC
            {
                P2ExceptionHandler.LogException(ex, string.Format("{0}.{1}", this.GetType().Name, System.Reflection.MethodInfo.GetCurrentMethod().Name));
            }
        }


        public bool Save()
        {
            bool isNewItem = (this.BedID < 0);
            MessageStack.Clear();
            Model.InsertAndUpdate(MessageStack, true);

            if (MessageStack.StatusMessage.MessageStatus != P2ValidationStatus.red && !Model.Modified)
            {
                return true;
            }
            else
                return false;

        }


        //Find++
        public ObservableCollection<BusinessEntities.BedList> GetBedLists()
        {
            ObservableCollection<BusinessEntities.BedList> _myItemDT = Service.RetrieveBedLists();
            var ordered = _myItemDT; //.OrderBy(f => f.FirstNameEn); --->>> If they have to be sorted!
            ObservableCollection<BusinessEntities.BedList> result = new ObservableCollection<BusinessEntities.BedList>();

            foreach (var xItem in ordered)
            {
                result.Add(xItem);
            }
            return result;
        }

        #endregion


        #region Model & View Components

        public IBedListsDetailsView View { get; set; }

        public Services.IBedListService Service;
        public BusinessEntities.BedList Model { get; set; }
        public Dictionary<string, P2.Cuberry.Framework.Security.User.ControlRight> ControlRights;

        protected P2MessageStack myMessageStack = new P2MessageStack();
        public P2MessageStack MessageStack
        {
            get
            {
                return myMessageStack;
            }
            set
            {
                myMessageStack = value;
                OnPropertyChanged("MessageStack");
            }
        }

        #endregion


        #region Property Changed

        public event PropertyChangedEventHandler PropertyChanged;


        private void OnPropertyChanged(string propertyName)
        {
            PropertyChangedEventHandler Handler = PropertyChanged;
            if (Handler != null) Handler(this, new PropertyChangedEventArgs(propertyName));
        }

        #endregion


        #region IDisposable Members

        public void Dispose()
        {
            if (View != null)
                View.Model = this;
            View = null;
            this.Model = null;
            this.Service = null;
        }

        #endregion


        #region Error Handling

        public string Error
        {
            get { throw new NotImplementedException(); }
        }

        public string this[string columnName]
        {
            get
            {
                string result = null;

                P2MessageStack propertyMessageStack = this.Model.Validator.ValidateProperty(this.Model, columnName);
                if (propertyMessageStack != null && propertyMessageStack.Count > 0)
                {
                    foreach (P2TransactionMessage message in propertyMessageStack)
                    {
                        if (message.TransactionStatus != "green")
                        {
                            if (result == null)
                                result = message.MessageText;
                            else
                                result += "\n" + message.MessageText;
                        }
                    }
                }
                return result;
            }
        }

        #endregion


    }
}
